Revenue totaled $6.3 billion, up about 24 percent from $5.1 billion in the same quarter of 2011.

Fluor, which is celebrating 100 years of operations this year, said its new business awards totaled $8.4 billion in the first quarter, leading to a record backlog of $42.5 billion, up 14 percent from a year ago and 8 percent from last quarter.

The company reaffirmed its full-year 2012 earnings guidance of $3.40 to $3.80 per diluted share.

“Looking ahead, we see very good growth opportunities across our diversified global business segments,” chairman and chief executive David Seaton said in a statement.